S-93852A152 1.75" ID x 3.75" OD ASME B18.21.1 USS Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 stainless steel construction, ideal for harsh industrial environments
• Optimal load distribution with 3.75" outer diameter, preventing surface damage and joint loosening
• Precise 1.75" inner diameter ensures perfect fit for 1 5/8" screws, eliminating installation issues
• Heavy-duty thickness range (0.153-0.213") provides reliable performance under high-stress conditions
• ASME B18.21.1 compliance guarantees dimensional accuracy and interchangeability in industrial assemblies
• Environmental regulation compliance with RoHS 3 and REACH, ensuring safe use in regulated industries
• Durable inch system design maintains consistent performance in mechanical and construction applications

Professional Applications & Engineering Value

This USS flat washer delivers exceptional engineering value through its 18-8 stainless steel composition, which provides outstanding corrosion resistance in demanding environments like chemical processing, marine applications, and outdoor construction. The precise 1.75" ID x 3.75" OD dimensions ensure optimal load distribution across fastened joints, preventing surface indentation and maintaining bolt tension in heavy machinery, structural steel connections, and industrial equipment requiring 1 5/8" screw compatibility. The ASME B18.21.1 certification guarantees dimensional consistency across production batches, reducing assembly time and ensuring reliable performance in critical applications where vibration resistance and long-term durability are paramount.

Specification Summary & Compliance

This heavy-duty flat washer features precise inch system dimensions with 1.75" inner diameter, 3.75" outer diameter, and thickness ranging from 0.153" to 0.213". Manufactured to ASME B18.21.1 standards for dimensional accuracy and mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance across industrial markets.